Stadium: Cancha 2 Round: 26 Ground: Clay
| Challenger Buenos Aires | 2021/10/19 14:00 | Ignacio Monzon v Tomas Martin Etcheverry | 0-6,3-6 |
| Challenger Buenos Aires | 2021/10/18 15:00 | Mariano Kestelboim v Ignacio Monzon | 1-6,2-6 |
| Challenger Buenos Aires | 2021/10/17 16:30 | Luciano Tacchi v Ignacio Monzon | 1-6,2-6 |
| ITF M15 Platja D'Aro | 2021/10/06 11:35 | Bruno P Navarro v Ignacio Monzon | 2-6,6-1,6-2 |
| ITF M15 Melilla | 2021/09/25 07:00 | Mario G Fernandez v Ignacio Monzon | 6-3,3-6,6-4 |
| ITF M15 Melilla | 2021/09/23 15:10 | Raffael Schaer v Ignacio Monzon | 5-7,6-3,2-6 |
| ITF M25 Madrid | 2021/09/14 09:10 | Roberto Ortega-Olmedo v Ignacio Monzon | 6-3,6-2 |
| Challenger Seville | 2021/09/05 09:00 | Ignacio Monzon v Carlos Sanchez Jover | 6-1,3-6,4-6 |